#ifndef XIAN_H
#define XIAN_H

#ifdef _WIN32
#ifdef XIAN_EXPORTS
#define XIAN_API __declspec(dllexport)
#else
#define XIAN_API __declspec(dllimport)
#endif
#else
#define XIAN_API
#endif

class XIAN_API Xian
{
public:
    Xian(double qidian, double zhongdian);
    ~Xian();
    double GetChangDu() const;

private:
    double qidian;
    double zhongdian;
};


#endif // XIAN_H

